Who said "I know who I am now. That's more than most men can say."?

This quote is attributed to Theon Greyjoy.

I know who I am now. That's more than most men can say. - Theon Greyjoy

"I know who I am now. That's more than most men can say."

Theon Greyjoy Truth

"I am the Prince of Winterfell. I have no need to prove myself to anyone."

"What is dead may never die."

"You can't marry her. You're promised to me."

"I'm a Greyjoy. We do not sow."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."